:root{--p:#0c2f4f;--p2:#12446f;--p3:#e9f0f7;--cta:#fcd34d;--cta-h:#f6c522;--ink:#1c2a38;--mut:#52657a;--bg:#fff;--line:#d9e3ee}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 17px/1.7 "Red Hat Display",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--p2)}
a:focus-visible,summary:focus-visible{outline:3px solid var(--cta);outline-offset:3px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.narrow{width:min(810px,100% - 10px);margin-inline:auto}
.ic{width:1.25em;height:1.25em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
/* header */
.hd{background:var(--p);position:sticky;top:0;z-index:20;box-shadow:0 1px 0 rgba(255,255,255,.08)}
.hd .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.logo{color:#fff;font-weight:800;font-size:20px;text-decoration:none;letter-spacing:-.01em;margin-right:auto}
.logo span{color:var(--cta)}
.nav{display:flex;gap:22px}
.nav a{color:#dbe7f3;text-decoration:none;font-weight:500;font-size:15px}
.nav a:hover{color:#fff}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--cta);color:var(--p);font:800 17px/1.2 "Red Hat Display",system-ui,sans-serif;padding:15px 28px;border-radius:999px;text-decoration:none;border:0;box-shadow:0 3px 0 #c9a21d;transition:background .15s,transform .15s}
.btn:hover{background:var(--cta-h)}
.btn:active{transform:translateY(2px);box-shadow:0 1px 0 #c9a21d}
.btn.sm{padding:10px 18px;font-size:15px;box-shadow:none}
.btn.lg{padding:18px 34px;font-size:19px}
/* hero */
.hero{background:linear-gradient(160deg,var(--p) 55%,var(--p2));color:#fff;padding:56px 0}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
h1{font-size:34px;line-height:1.2;font-weight:800;margin:0 0 18px;letter-spacing:-.015em}
.hero p{color:#d6e3f0;margin:0 0 22px}
.ticks{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:10px}
.ticks li{display:flex;gap:10px;align-items:flex-start;color:#fff;font-weight:500}
.hero-img{border-radius:20px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.35)}
/* sections */
section{padding:64px 0}
section.alt{background:var(--p3)}
h2{font-size:30px;line-height:1.25;color:var(--p);margin:0 0 18px;font-weight:800;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.35;color:var(--p);margin:0 0 8px;font-weight:700}
p{margin:0 0 16px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split img{border-radius:18px}
#what-is img{max-width:85%;margin-inline:auto}
#guarantee img{max-width:85%;margin-inline:auto;margin-left:30px}
#science .split img{max-width:85%;margin-inline:auto}
.center{text-align:center}
.cta-row{margin-top:26px}
/* reviews */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.card img{width:120px;height:120px;aspect-ratio:1;object-fit:cover;border-radius:50%;border:4px solid var(--p3);box-shadow:0 0 0 2px var(--p);margin:24px auto 0}
.card .b{padding:14px 22px 24px;text-align:center}
.stars{color:#e0a800;letter-spacing:2px;font-size:15px}
.card h3{margin:4px 0 8px;font-size:18px}
.card p{font-size:15.5px;color:var(--mut);margin:0}
/* pricing */
.price-img{display:block;margin:26px auto 0;width:100%;max-width:900px;border-radius:18px;border:1px solid var(--line);background:#fff}
/* ingredients */
.ing{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px}
.ing article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.ing img{border-radius:10px;margin-bottom:12px;width:100%}
.ing h3{font-size:18px}
.ing p{font-size:15px;color:var(--mut);margin:0}
/* benefits */
.ben{counter-reset:b;display:grid;grid-template-columns:1fr 1fr;gap:18px 28px;margin-top:26px}
.ben div{background:#fff;border-left:4px solid var(--p);border-radius:10px;padding:16px 20px}
.ben h3{font-size:18px}
.ben p{margin:0;font-size:15.5px;color:var(--mut)}
/* pros cons */
.pc{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
.pc>div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px}
.pc ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.pc li{font-size:15.5px;line-height:1.55}
.pc strong{color:var(--p)}
/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;color:var(--p);padding:16px 20px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;line-height:1;color:var(--p2)}
details[open] summary::after{content:"\2212"}
details p{padding:0 20px;margin:0 0 18px;color:var(--mut)}
/* order band */
.order{background:var(--p);color:#fff}
.order h2{color:#fff}
.order p{color:#d6e3f0}
.order img{margin:0 auto 24px;border-radius:16px;max-width:320px}
/* footer */
.ft{background:#081f35;color:#b9cadb;padding:40px 0;font-size:14.5px}
.ft nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:16px}
.ft a{color:#fff}
.ft p{margin:0 0 10px;line-height:1.6}
/* legal */
.legal{padding:48px 0 64px}
.legal h1{color:var(--p)}
.legal h2{font-size:22px;margin:32px 0 10px}
.legal ul{padding-left:22px;margin:0 0 16px}
.legal li{margin-bottom:6px}
.crumb{font-size:14px;color:var(--mut);margin-bottom:12px}
@media(max-width:900px){
.nav{display:none}
.hero .wrap,.split{grid-template-columns:1fr}
.hero-img{max-width:440px;margin:0 auto}
.cards,.ing{grid-template-columns:1fr 1fr}
.ben,.pc{grid-template-columns:1fr}
#guarantee img{margin-left:auto;margin-right:auto}
}
@media(max-width:560px){
body{font-size:16.5px}
.cards,.ing{grid-template-columns:1fr}
section{padding:48px 0}
h2{font-size:26px}
.btn.lg{width:100%}
.hd .btn.sm span{display:none}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}